Feature #462: url support

- added uri class for proper uri and path handling

src/Uri.h

@@ -0,0 +1,68 @@
+////////////////////////////////////////////////////////////////////////////////
+// taskwarrior - a command line task list manager.
+//
+// Copyright 2010, Johannes Schlatow.
+// All rights reserved.
+//
+// This program is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License as published by the Free Software
+// Foundation; either version 2 of the License, or (at your option) any later
+// version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+// details.
+//
+// You should have received a copy of the GNU General Public License along with
+// this program; if not, write to the
+//
+//     Free Software Foundation, Inc.,
+//     51 Franklin Street, Fifth Floor,
+//     Boston, MA
+//     02110-1301
+//     USA
+//
+////////////////////////////////////////////////////////////////////////////////
+#ifndef INCLUDED_URI
+#define INCLUDED_URI
+
+#include <vector>
+#include <string>
+
+// supports the following syntaxes:
+// protocol://[user@]host.tld[:port]/path
+// [user@]host:path
+// path/to/local/file.ext
+// alias (e.g. merge.alias.uri)
+class Uri
+{
+public:
+  Uri ();
+  Uri (const Uri&);
+  Uri (const std::string&, const std::string& configPrefix="");
+  virtual ~Uri ();
+
+  Uri& operator= (const Uri&);
+  operator std::string () const;
+
+  std::string name () const;
+  std::string parent () const;
+  std::string extension () const;
+  bool is_directory () const;
+  bool is_local () const;
+  bool append (const std::string&);
+  bool expand (const std::string&);
+  void parse ();
+
+public:
+  std::string data;
+  std::string path;
+  std::string host;
+  std::string port;
+  std::string user;
+  std::string protocol;
+};
+
+#endif
+////////////////////////////////////////////////////////////////////////////////